EP2808694B2 - Ultraschallwellenvorrichtung - Google Patents

Ultraschallwellenvorrichtung Download PDF

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Publication number
EP2808694B2
EP2808694B2 EP14168679.0A EP14168679A EP2808694B2 EP 2808694 B2 EP2808694 B2 EP 2808694B2 EP 14168679 A EP14168679 A EP 14168679A EP 2808694 B2 EP2808694 B2 EP 2808694B2
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EP
European Patent Office
Prior art keywords
abutting
ultrasonic wave
designed
wave device
outer panel
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Application number
EP14168679.0A
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English (en)
French (fr)
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EP2808694B1 (de
EP2808694A2 (de
EP2808694A3 (de
Inventor
Osamu Hirakawa
Yasushi Nagano
Takashi Tsuji
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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Publication of EP2808694A3 publication Critical patent/EP2808694A3/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/48—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
    • B60R19/483—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds with obstacle sensors of electric or electronic type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/521—Constructional features
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
    • G01S2015/938—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details in the bumper area

Definitions

  • the invention relates generally to ultrasonic wave devices, and more particularly, to an ultrasonic wave device attached to a vehicle and configured to perform at least one of transmission and reception of ultrasonic waves.
  • an ultrasonic wave device which is configured to transmit ultrasonic waves and receive ultrasonic waves reflected by an obstacle.
  • This kind of ultrasonic wave device detects presence or absence of an obstacle on the basis of information whether the ultrasonic wave device has received a reflected wave which was generated due to reflection of a transmitted ultrasonic wave by the obstacle.
  • this kind of the ultrasonic wave device detects a distance to the obstacle on the basis of the time from transmitting the ultrasonic wave to receiving the reflected wave (for example, JP 4056568 B2 ).
  • the ultrasonic wave device mentioned above is used by being attached to a bumper 1A of a vehicle, as shown in Fig.15 and Fig.16 .
  • the ultrasonic wave device mentioned above includes a holding member 2A designed to be fixed to an inner surface of the bumper 1A by gluing or welding, and a body block 3A.
  • the body block 3A has an exposed surface 30A through which ultrasonic waves are input and output, and is held in the holding member 2A.
  • the bumper 1A has an exposing hole 11A that exposes the exposed surface 30A of the body block 3A
  • the body block 3A includes a head 31A including the exposed surface 30A and designed to be inserted into the exposing hole 11A. dimension and a shape of the head 31A are designed so that the exposed surface 30A is to be flush with an outer surface of the bumper 1A, as shown in Fig. 16 .
  • the portion of the holding member 2A abutting on the bumper 1A becomes positioned further inward from an opening of the exposing hole 11A in a normal direction of the exposed surface 30A, and the exposed surface 30A thereby becomes more depressed than a case in which the bumper 1A is flat.
  • An ultrasonic wave device according to an aspect of the present invention is defined as in the appended claim 1.
  • the body block including the head designed to be inserted in an exposing hole is provided with the at least one abutting part abutting on the vehicle outer panel at a position closer to the exposing hole than a position where the holding member is fixed, and the at least one abutting part is pressed to the inner surface of the vehicle outer panel by an action of the biasing part, the depth of insertion of the head to the exposing hole is not easily affected by the form of a mounting surface, in compared with an ultrasonic wave device that does not include the at least one abutting part or the biasing part.
  • An ultrasonic wave device includes, as shown in Fig. 1 and Fig. 2 , a holding member 2 designed to be fixed to an inner surface of a bumper 1 as a vehicle outer panel, and a body block 3 designed to be connected with and disconnected from the holding member 2 freely.
  • an upward and downward direction (a first direction) and a left and right direction (a second direction) of the ultrasonic wave device are based on directions in Fig.1 , and a direction intersecting the first direction and the second direction is referred to as a forward and rearward direction (a third direction). That is, a normal direction of an exposed surface 30 mentioned below and a thickness direction of the bumper 1 correspond to the upward and downward direction (the first direction). Further in detail, in the first direction, a direction in which ultrasonic waves are emitted from the exposed surface 30 is referred to as a first side of the first direction, and a direction in which reflected waves are incident to the exposed surface 30 is referred to as a second side of the first direction.
  • an inner side at which the ultrasonic wave device is disposed is referred to as an upper side
  • an outer side is referred to as a lower side.
  • the aforementioned directions are defined in view of convenience of the explanation, and in practice, the upward and downward direction (the first direction) in above definition is often oriented to a horizontal direction (for example, a front side or a back side of a vehicle).
  • the first direction of the ultrasonic wave device corresponds to a forward and rearward direction of the vehicle and the second direction corresponds to a left and right direction of the vehicle.
  • the front side of the vehicle corresponds to the first side of the first direction
  • the back side of the vehicle corresponds to the second side of the first direction.
  • the body block 3 includes, as shown in Fig.3 , an ultrasonic wave microphone 41, a holding rubber 42 attached so as to cover the ultrasonic wave microphone 41, a printed wiring board 43, and a plurality of contacts 44 (only one shown).
  • the ultrasonic wave microphone 41 and a contact 44 are configured to be electrically connected with a circuit provided at the printed wiring board 43.
  • the ultrasonic wave microphone 41 includes, for example, a case with one end in an axial direction open and formed in a bottomed cylindrical shape, and a piezoelectric element fixed to an inner bottom surface of the case.
  • sealing materials for example, silicone rubbers
  • the piezoelectric element mentioned above is configured to convert inputted electrical signals into ultrasonic waves and transmit the ultrasonic waves via the exposed surface 30 (a lower surface of the ultrasonic wave microphone 41), and convert ultrasonic waves received via the exposed surface 30 into electrical signals. That is, the ultrasonic wave microphone 41 serves as a transmitting part configured to transmit ultrasonic waves as well as a receiving part configured to receive ultrasonic waves.
  • the holding rubber 42 is formed in a bottomed cylindrical shape, and covers the ultrasonic wave microphone 41 so as to expose the exposed surface 30.
  • the holding rubber 42 is formed of well-known elastomers.
  • a signal processing circuit (not shown) is mounted on the printed wiring board 43.
  • the signal processing circuit is configured to perform appropriate signal processing such as noise removal and amplifying for electric signals inputted and outputted between an external circuit (not shown) attached to the contact 44 and the piezoelectric element described above.
  • the signal processing circuit described above can be realized with conventional techniques, and therefore no detailed description and drawings thereof are deemed necessary.
  • the body block 3 further includes a housing 5.
  • the housing 5 is designed to hold the ultrasonic wave microphone 41, the holding rubber 42, the printed wiring board 43 and the contact 44 mentioned above.
  • the housing 5 includes a microphone holding part 51 formed in a cylindrical shape with an axial direction thereof oriented to the upward and downward direction (the first direction) and designed to hold the ultrasonic wave microphone 41 with the holding rubber 42 therebetween. That is, the microphone holding part 51 constitutes a head 31 formed in a columnar shape with the ultrasonic wave microphone 41 and the holding rubber 42. In the head 31, an axial direction thereof is overall oriented to the upward and downward direction (the first direction), and a lower surface (the first side surface of the first direction) corresponds to the exposed surface 30.
  • the housing 5 further includes a circuit holding part 52 which is formed in a rectangular shape with a lower surface thereof connected to an upper end of the microphone holding part 51 and designed to hold the printed wiring board 43 in a state where a thickness direction thereof is oriented to the upward and downward direction (the first direction).
  • a circuit holding part 52 which is formed in a rectangular shape with a lower surface thereof connected to an upper end of the microphone holding part 51 and designed to hold the printed wiring board 43 in a state where a thickness direction thereof is oriented to the upward and downward direction (the first direction).
  • the housing 5 further includes a contact holding part 53 which is formed in a tubular shape and protruded from a side surface of the circuit holding part 52.
  • the contact holding part 53 is designed to cover the plurality of contacts 44.
  • a plug (not shown) is designed to be inserted therein.
  • the plug includes a plurality of contacts configured to conduct the electricity to the plurality of contacts 44, respectively. That is, the contact holding part 53 constitutes a receptacle with the plurality of contacts 44.
  • the receptacle constitutes a well-known connector with the plug mentioned above.
  • the holding member 2 is formed of synthetic resin into a plate shape, for example, and includes a fixing part 21 and a pair of holding parts 22 and 22.
  • the fixing part 21 is fixed to an inner surface of the bumper 1 (a mounting surface 10) in a state where a thickness direction thereof is oriented to the upward and downward direction (the first direction).
  • the holding parts 22 and 22 are de signed to project upward from the fixing part 21 and hold the body block 3 so as to clamp the circuit holding part 52 of the housing 5 from both left and right sides (both sides in the second direction).
  • the fixing part 21 is formed in a cross shape when viewed in the first direction, and has a insertion hole 20 formed in a circular shape at a center thereof.
  • the head 31 of the body block 3 is designed to be inserted in the insertion hole 20.
  • the fixing part 21 is, as shown in Fig.4 to Fig.6 for example, stuck (fixed) to the inner surface of the bumper 1 (an upper surface, namely the mounting surface 10) by a sticking sheet 6 stuck to a lower surface thereof.
  • the sticking sheet 6 has a through hole 60 which is bigger than the insertion hole 20 so as to avoid the insertion hole 20.
  • Each holding part 22 includes, as shown in Fig. 4 , a clamping part 24 (a biasing part) which is separated from other parts of a holding part 22 by two slits 23 formed thereon.
  • the clamping part 24 is designed to be able to be elastically deformed so as to displace an upper end part 24a in the left and right direction (the second direction).
  • an engagement projection 32 is designed to project outward in the left and right direction (the second direction) at each left and right side (both sides in the second direction) of the circuit holding part 52.
  • each of the clamping parts 24 has an engagement hole 25 in which the engagement projection 32 is engaged.
  • the engagement hole 25 is formed as a through hole penetrating the clamping part 24 in the left and right direction (the second direction).
  • Each of the engagement projections 32 is, as shown in Fig.2 and Fig.10 for example, overall formed in a triangular cross-sectional shape.
  • Each of the engagement projections 32 is provided with an inclined surface (hereinafter referred to as "a first inclined surface”) 321 at an upper side (the second side of the first direction) thereof, and provided with an inclined surface (hereinafter referred to as "a second inclined surface”) 322 at a lower side (the first side of the first direction) thereof.
  • the first inclined surface 321 is formed so that a projecting dimension of the engagement projection 32 becomes smaller as a surface of the first inclined surface 321 goes upward (the second side of the first direction).
  • the second inclined surface 322 is formed so that the projecting dimension of the engagement projection 32 becomes smaller as a surface of the second inclined surface 322 goes downward (the first side of the first direction).
  • a lower end of the first inclined surface 321 is continuous to an upper end of the second inclined surface 322.
  • the body block 3 is provided at an outer peripheral surface of the head 31 with three abutting parts 33 projecting.
  • the three abutting parts 33 are designed to abut on an inner surface of the bumper 1 (the upper surface, namely the mounting surface 10) at an inside of the insertion hole 20 (namely, a position closer to an exposing hole 11 than a position where the holding member 2 is fixed) (see Fig.1 ).
  • the insertion hole 20 of the holding member 2 is formed to be large enough not to interfere with the abutting parts 33.
  • Each of the abutting parts 33 is formed continuously and integrally with the microphone holding part 51 of the housing 5.
  • each of the abutting parts 33 is formed in a same shape, and arranged in equal intervals (namely at every 120 degrees) about a center axis of the head 31 as shown in Fig.7 . Accordingly, positions on which the abutting parts 33 are abutted in the inner surface of the bumper 1 are arranged at same intervals on one circle surrounding the head 31.
  • each abutting part 33 abutting on the inner surface of the bumper 1 is formed in a spherical shape, and each of the abutting parts 33 is designed to abut on the bumper 1 at a point.
  • the ultrasonic wave device of the present embodiment is in a state where the body block 3 is held in the holding member 2 and each of the clamping parts 24 is elastically restored completely (hereinafter referred to as a first state) as shown in Fig.9 . That is, in the first state, an upper end 32a of each engagement projection 32 is positioned at the same place as an upper end 25a of the engagement hole 25 in the upward and downward direction (the first direction).
  • each of the abutting parts 33 is designed to project further downward (to the first side of the first direction) than a lower surface 6a (a surface abutting on the bumper 1) of the sticking sheet 6 as shown in Fig.9 .
  • the ultrasonic wave device of the present embodiment is in a state where each of the clamping parts 24 is elastically deformed outward (hereinafter referred to as a second state) as shown in Fig.1 .
  • the upper end 32a of each engagement projection 32 is positioned at an upper side (the second side of the first direction) than the upper end 25a of the engagement hole 25, and each of the clamping parts 24 is designed to elastically abut on the first inclined surface 321 at an inner surface of the engagement hole 25. Accordingly, an elastic force (a restore force) of each clamping part 24 as shown by an arrow A1 in Fig.
  • each of the abutting parts 33 is surely brought into abutting on the inner surface of the bumper 1 (the mounting surface 10).
  • a projecting dimension H1 (see Fig.9 ) which is from a lower end of each abutting part 33 toward the exposed surface 30 is designed to be the same as an assumed thickness dimension T1 (see Fig.1 ) of the bumper 1, it is possible to have the exposed surface 30 substantially flush with an outer surface of the bumper 1.
  • each of the abutting parts 33 surely abuts on the inner surface of the bumper 1 by a spring force of the clamping part 24, and a position where the abutting part 33 is abutting is closer to the exposing hole 11 than a position where the holding member 2 is fixed.
  • a depth of insertion of the head 31 to the exposing hole 11 and a position of the exposed surface 30 are not easily affected by a form of the bumper 1 (a form of the mounting surface 10), as compared with a case where the abutting part 33 is not provided.
  • the abutting part 33 is designed to abut on the bumper 1 only at part of the exposing hole 11 rather than the whole periphery thereof, even though there is a small projection (not shown) around the exposing hole 11, for example, the abutting part 33 is more likely to be able to abut only on a position avoiding the small projection. Thus, it is easy to stabilize an attitude of the body block 3 to the bumper 1, as compared with a case where the abutting part 33 is formed in an annular projection abutting on the bumper 1 in the whole periphery of the exposing hole 11.
  • the three abutting parts 33 are arranged at equal intervals on a circle surrounding the head 31, it is possible to stabilize the attitude of the body block 3 to the bumper 1, as compared with a case where abutting parts 33 are not arranged at equal intervals or a case where there are two abutting parts 33 or less.
  • the surface abutting on the bumper 1 in each abutting part 33 is formed in the spherical shape (namely, a curved surface), the surface abutting on the bumper 1 is not easily affected by unevenness of the bumper 1 (the mounting surface 10) as compared with a case where the surface abutting on the bumper 1 is formed in a plane shape, and thereby it is easy to stabilize the attitude of the body block 3 to the bumper 1.
  • each of the abutting parts 33 projects from the head 31 (the microphone holding part 51), it is possible to reduce the projecting dimension of each of the abutting parts 33 and secure a mechanical strength, as compared with a case where each of the abutting parts 33 projects from the circuit holding part 52, for example.
  • an ultrasonic wave device is provided with three abutting parts 33A at an abutting member 35 which is different component from a housing 5, instead of being provided with three abutting parts 33 integrally formed at the housing 5.
  • the other part is same as the first embodiment, and description of common parts will be omitted.
  • a body block 3 includes a device body 34 and the abutting member 35.
  • the device body 34 has a same configuration with the body block 3 in the first embodiment except that it does not include the abutting parts 33.
  • the abutting member 35 includes the three abutting parts 33A and is connected with the device body 34.
  • the abutting member 35 is formed from synthetic resin, for example.
  • the abutting member 35 includes a fitting part 351 formed in a cylinder shape, and each of the abutting parts 33A is designed to project from an external peripheral surface of the fitting part 351.
  • the abutting member 35 is connected with the device body 34 by having a microphone holding part 51 fitted into the fitting part 351.
  • the abutting parts 33A are arranged at a lower end side of the fitting part 351 in an illustrated example, the fitting part 351 may project further downward from the abutting parts 33A and be inserted into an exposing hole 11. In this case, the fitting part 351 constructs part of a head 31.
  • each abutting part 33A when with respect to a dimension from a lower end of each abutting part 33A to the exposed surface 30, a plurality of abutting members 35 having different dimensions are prepared in advance, it is possible to apply to plural kinds of bumpers 1. That is, it is possible to have the exposed surface 30 to be flush with the outer surface of each bumper 1, even to plural kinds of bumpers 1 having different thickness dimensions T1 without changing the device body 34 by choosing the abutting member 35 which has appropriate dimension according to a thickness dimension T1 of each bumper 1.
  • the bumper 1 is provided for an example as the vehicle outer panel to which the holding member 2 is fixed, it may be a grille to which the holding member 2 is to be fixed.
  • this ultrasonic wave device includes: the holding member 2 designed to be fixed to an inner surface of the vehicle outer panel (for example, the bumper 1, the grille, or the like); and the body block 3 designed to be connected with the holding member 2.
  • the body block 3 includes: the head 31 designed to be inserted in the exposing hole 11 which is a through hole provided at the vehicle outer panel; and at least one abutting part 33 (or 33A) designed to abut on the inner surface of the vehicle outer panel at a position closer to the exposing hole 11 than a position where the holding member 2 is fixed.
  • the body block 3 further includes at least one of the receiving part and the transmitting part.
  • the receiving part is provided at the head 31 and configured to receive ultrasonic waves incident from the exposed surface 30 which is exposed through the exposing hole 11.
  • the transmitting part is provided at the head 31 and configured to transmit ultrasonic waves from the exposed surface 30.
  • the holding member 2 includes the biasing part designed to bias the body block 3 to an outer side of the vehicle outer panel.
  • the at least one abutting part 33 (or 33A) is designed to abut on the vehicle outer panel only around a part of the exposing hole 11.
  • the at least one abutting part 33 (or 33A) includes three abutting parts 33 (or 33A) or more.
  • a surface of the at least one abutting part 33 (or 33A) abutting on the inner surface of the vehicle outer panel is formed in the curved surface.
  • the head 31 is formed in the columnar shape with the axial direction thereof oriented to a thickness direction of the vehicle outer panel, and the at least one abutting part 33 (or 33A) is designed to project from an external peripheral surface of the head 31.
  • portions of the three abutting parts 33 (or 33A) or more abutting on the vehicle outer panel are arranged at equal intervals on one circumference surrounding the head 31.
  • the holding member 2 includes a pair of clamping parts 24 and 24 as the biasing part designed to hold the body block 3 elastically.
  • each of the pair of clamping parts 24 and 24 has the engagement hole 25.
  • the body block 3 is provided with the engagement projection 32 designed to be engaged into the engagement hole 25, for each engagement hole 25.
  • the engagement projection 32 includes the inclined surface (the first inclined surface 321) which is inclined so that the projecting dimension of the engagement projection 32 becomes smaller as a surface of the engagement projection 32 gets apart from the vehicle outer panel in the thickness direction of the vehicle outer panel.
  • Each of the pair of clamping parts 24 and 24 is designed to bias the body block 3 to the outer side of the vehicle outer panel (a direction of the arrow A2) by elastically abutting on the inclined surface (the first inclined surface 321).
  • the holding member 2 is fixed to the vehicle outer panel by any one of laser welding, gluing, sticking with double sided tape, and screwing.
  • the holding member 2 is fixed to the vehicle outer panel by screwing and any one of laser welding, gluing, and sticking with double sided tape together.
  • the body block 3 includes the housing 5 including the at least one abutting part 33 integrally, and the housing 5 holds at least one of the receiving part and the transmitting part.
  • the body block 3 includes: the device body 34 including at least one of the receiving part and the transmitting part; and the abutting member 35 including the at least one abutting part 33A and designed to be connected with the device body 34.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Claims (9)

  1. Ultraschallwellenvorrichtung, umfassend:
    ein Halteelement (2), das ausgelegt ist, um an einer inneren Oberfläche einer Fahrzeugaußenplatte befestigt zu sein; und
    einen Körperblock (3), der ausgelegt ist, um mit dem Halteelement (2) verbunden zu sein,
    wobei der Körperblock (3) Folgendes umfasst:
    einen Kopf (31), der ausgelegt ist, um in ein Freilegungsloch (11) eingefügt zu werden, wobei es sich um ein Durchgangsloch handelt, das in der Fahrzeugaußenplatte bereitgestellt wird;
    mindestens einen anliegenden Teil (33, 33A), der ausgelegt ist, um an der inneren Oberfläche der Fahrzeugaußenplatte in einer Position anzuliegen, die näher an dem Freilegungsloch (11) liegt als eine Position, in der das Halteelement (2) befestigt ist; und
    mindestens einen von einem Empfangsteil und einem Sendeteil, wobei der Empfangsteil an dem Kopf (31) bereitgestellt wird und konfiguriert ist, um Ultraschallwellen zu empfangen, die von einer freigelegten Oberfläche (30) aus einfallen, die durch das Freilegungsloch (11) hindurch freigelegt ist, wobei der Sendeteil an dem Kopf (31) bereitgestellt wird und konfiguriert ist, um Ultraschallwellen von der freigelegten Oberfläche (30) aus zu senden, und
    wobei das Halteelement (2) einen Vorspannteil umfasst, der ausgelegt ist, um den Körperblock (3) auf eine äußere Seite der Fahrzeugaußenplatte vorzuspannen,
    dadurch gekennzeichnet, dass der mindestens eine anliegende Teil (33, 33A) ausgelegt ist, um an der Fahrzeugaußenplatte nur um einen Teil des Freilegungslochs (11) herum anzuliegen,
    wobei das Halteelement (2) als Vorspannteil ein Paar von Klemmteilen (24) umfasst, die ausgelegt sind, um den Körperblock (3) elastisch zu halten, und
    jeder von dem Paar von Klemmteilen (24) ein Eingriffsloch (25) aufweist, und
    der Körperblock (3) mit einem Eingriffsvorsprung (32) für jedes Eingriffsloch (25) versehen ist, wobei der Eingriffsvorsprung (32) ausgelegt ist, um in das Eingriffsloch (25) in Eingriff gebracht zu werden, und
    der Eingriffsvorsprung (32) eine geneigte Oberfläche umfasst, die derart geneigt ist, dass eine Vorsprungdimension des Eingriffsvorsprungs (32) kleiner wird, wenn sich eine Oberfläche des Eingriffsvorsprungs (32) von der Fahrzeugaußenplatte in der Dickenrichtung der Fahrzeugaußenplatte entfernt, und
    jeder von dem Paar von Klemmteilen (24) ausgelegt ist, um den Körperblock (3) zu der äußeren Seite der Fahrzeugaußenplatte vorzuspannen, indem er elastisch an der geneigten Oberfläche anliegt.
  2. Ultraschallwellenvorrichtung nach Anspruch 1, wobei der mindestens eine anliegende Teil (33, 33A) drei anliegende Teile (33, 33A) oder mehr umfasst.
  3. Ultraschallwellenvorrichtung nach Anspruch 1 oder 2, wobei eine Oberfläche des mindestens einen anliegenden Teils (33, 33A), die an der inneren Oberfläche der Fahrzeugaußenplatte anliegt, in einer gekrümmten Oberfläche gebildet ist.
  4. Ultraschallwellenvorrichtung nach einem der Ansprüche 1 bis 3, wobei
    der Kopf (31) in einer Säulenform gebildet ist, wobei eine Axialrichtung des Kopfes (31) in eine Dickenrichtung der Fahrzeugaußenplatte orientiert ist, und
    der mindestens eine anliegende Teil (33, 33A) ausgelegt ist, um von einer externen Peripheriefläche des Kopfes (31) vorzustehen.
  5. Ultraschallwellenvorrichtung nach Anspruch 2, wobei Abschnitte der drei anliegenden Teile (33, 33A) oder mehr, die an der Fahrzeugaußenplatte anliegen, in gleichen Intervallen an einem Umfang, der den Kopf (31) umgibt, angeordnet sind.
  6. Ultraschallwellenvorrichtung nach einem der Ansprüche 1 bis 5, wobei das Halteelement (2) an der Fahrzeugaußenplatte durch eines von Laserschweißen, Verleimen, Kleben mit doppelseitigem Klebeband und Verschrauben befestigt ist.
  7. Ultraschallwellenvorrichtung nach einem der Ansprüche 1 bis 5, wobei das Halteelement (2) an der Fahrzeugaußenplatte durch Verschrauben und eines von Laserschweißen, Verleimen und Zusammenkleben mit doppelseitigem Klebeband befestigt ist.
  8. Ultraschallwellenvorrichtung nach einem der Ansprüche 1 bis 7, wobei der Körperblock (3) ein Gehäuse (5) umfasst, das den mindestens einen anliegenden Teil (33) einstückig umfasst, wobei das Gehäuse (5) mindestens einen von dem Empfangsteil und dem Sendeteil enthält.
  9. Ultraschallwellenvorrichtung nach einem der Ansprüche 1 bis 7, wobei der Körperblock (3) Folgendes umfasst:
    einen Vorrichtungskörper (34), der mindestens einen von dem Empfangsteil und dem Sendeteil umfasst; und
    ein anliegendes Element (35), das mindestens einen anliegenden Teil (33A) umfasst und ausgelegt ist, um mit dem Vorrichtungskörper (34) verbunden zu sein.
EP14168679.0A 2013-05-23 2014-05-16 Ultraschallwellenvorrichtung Active EP2808694B2 (de)

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US10220808B2 (en) * 2016-10-24 2019-03-05 Toyota Motor Engineering & Manufacturing North America, Inc. Systems, apparatuses, and methods of a button bridge installed with a curtain side airbag
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TWI653165B (zh) * 2017-10-19 2019-03-11 為升電裝工業股份有限公司 車用感測器之安裝機構
WO2019102755A1 (ja) * 2017-11-27 2019-05-31 株式会社デンソー 超音波センサおよびリテーナ
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JP2014227090A (ja) 2014-12-08
CN104175955A (zh) 2014-12-03
US9296350B2 (en) 2016-03-29
JP6160952B2 (ja) 2017-07-12
EP2808694B1 (de) 2017-09-13
CN104175955B (zh) 2017-09-29
EP2808694A2 (de) 2014-12-03
EP2808694A3 (de) 2015-05-06

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